| Name | Birth date | Relationship with Marian Yancey |
| Garwacki, ??? | March 28, 1872 | Half 3rd cousin 3 times removed |
| Garwacki, ??? | February 26, 1875 | Half 3rd cousin 3 times removed |
| Garwacki, ??? | November 07, 1890 | Half 3rd cousin 3 times removed |
| Garwacki, Albin | Abt. 1892 | 4th cousin twice removed |
| Garwacki, Alexander | February 26, 1885 | Half 3rd cousin 3 times removed |
| Garwacki, Andrej | October 27, 1866 | Husband of the 3rd cousin 3 times removed |
| Garwacki, Andrzej | February 01, 1841 | Half 2nd cousin 4 times removed |
| Garwacki, Andrzej | November 17, 1887 | Half 3rd cousin 3 times removed |
| Garwacki, Antoni | May 16, 1877 | Half 3rd cousin 3 times removed |
| Garwacki, Benedykt | 1817 | Half 1st cousin 5 times removed |
| Garwacki, Franciszek | January 17, 1860 | Half 2nd cousin 4 times removed |
| Garwacki, Franciszek | July 14, 1868 | Half 3rd cousin 3 times removed |
| Garwacki, Franciszek | December 01, 1883 | Half 3rd cousin 3 times removed |
| Garwacki, Grzegorz | | Husband of the half 1st cousin 5 times removed |
| Garwacki, Hieromim | September 28, 1837 | Half 2nd cousin 4 times removed |
| Garwacki, Jan | 1810 | Half 1st cousin 5 times removed |
| Garwacki, Jan | December 08, 1841 | Half 2nd cousin 4 times removed |
| Garwacki, Jan | April 18, 1847 | Half 2nd cousin 4 times removed |
| Garwacki, Jan | April 05, 1848 | Half 2nd cousin 4 times removed |
| Garwacki, Jan | February 08, 1870 | Half 3rd cousin 3 times removed |
| Garwacki, Jan | February 19, 1879 | Half 3rd cousin 3 times removed |
| Garwacki, Jan | December 27, 1885 | Half 3rd cousin 3 times removed |
| Garwacki, Jan | June 11, 1886 | Half 3rd cousin 3 times removed |
| Garwacki, Jan | January 26, 1889 | Half 3rd cousin 3 times removed |
| Garwacki, Jan | January 07, 1891 | Half 4th cousin twice removed |
| Garwacki, Józef | 1817 | Half 1st cousin 5 times removed |
| Garwacki, Józef | March 19, 1850 | Half 2nd cousin 4 times removed |
| Garwacki, Józef | October 25, 1879 | Half 3rd cousin 3 times removed |
| Garwacki, Kasper | January 04, 1840 | Half 2nd cousin 4 times removed |
| Garwacki, Katarzyna | May 01, 1860 | Half 2nd cousin 4 times removed |
| Garwacki, Konstanty | 1809 | Half 1st cousin 5 times removed |
| Garwacki, Leon | July 26, 1884 | Half 3rd cousin 3 times removed |
| Garwacki, Marcin | October 02, 1882 | Half 3rd cousin 3 times removed |
| Garwacki, Mateusz | | 5th great-grandfather |
| Garwacki, Mikolaj | November 28, 1881 | Half 3rd cousin 3 times removed |
| Garwacki, Pawel | January 25, 1854 | Half 2nd cousin 4 times removed |
| | | Husband of the great-grandaunt |
| Garwacki, Piotr | 1785 | Husband of the half 4th great-grandaunt |
| Garwacki, Piotr | September 10, 1842 | Half 2nd cousin 4 times removed |
| Garwacki, Pitor | October 16, 1881 | Half 3rd cousin 3 times removed |
| Garwacki, Stanislaw | September 26, 1819 | Half 1st cousin 5 times removed |
| Garwacki, Stanislaw | September 09, 1853 | Half 2nd cousin 4 times removed |
| Garwacki, Stanislaw | April 04, 1880 | Half 3rd cousin 3 times removed |
| Garwacki, Stansilaw | February 20, 1843 | Half 2nd cousin 4 times removed |
| Garwacki, Tomasz | December 17, 1889 | Half 3rd cousin 3 times removed |
| Garwacki, Walenty | 1815 | Half 1st cousin 5 times removed |
| Garwacki, Wawrzyniec | August 30, 1867 | Half 3rd cousin 3 times removed |
| Garwacki, Wincenty | July 18, 1887 | Half 3rd cousin 3 times removed |
| Garwacki, Wladyshaw | February 02, 1888 | 1st cousin twice removed |
| | | Half 3rd cousin 3 times removed |